Black Hole vs. Magnetized Neutron Star: Matchup Predictions
Monster shocks and a “pulsar-like” black hole phase might form when a black hole collides with a neutron star. Could this cosmic clash produce observable electromagnetic signals?
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First Confirmed Planet in a White Dwarf’s “Forbidden Zone”
Brr! A newly confirmed exoplanet orbiting a white dwarf has a temperature of just 186K, making it the coldest exoplanet whose light has been directly detected.
How Squished Is That Planet? Astronomers Measure Oblateness of a Sub-Neptune
HIP 41378f — a cold, puffy exoplanet with four known siblings — becomes one of just a handful of planets with an estimate of its rotation period.
Messier 82 (Star)bursts onto the Scene!
Astrobites reports on the results of a cosmic-ray investigation of the starburst galaxy Messier 82 using the VERITAS gamma-ray telescopes.
Featured Image: Rare Double Radio Relic
What at first appeared to be an unremarkable low-mass galaxy cluster has been revealed to host a rare pair of parenthesis-shaped radio sources.
To Be or Not to Be Aligned: Exploring Spin–Orbit Alignment Trends for Exoplanetary Systems
What is pulling exoplanet XO-3b out of alignment with its host star? A recent study explores the system and reveals an emerging trend that provides a boundary for planet formation mechanisms.
A New Way to Measure Black Hole Spin
Sensitive polarized-light observations of the relativistic jets of supermassive black holes may provide an entirely new way to measure the spin of a black hole.
A Long, Hard Look at (Potentially) Nothing to See
Astrobites reports on an investigation of Cloud-9, a cloud of hydrogen gas that may be a galaxy containing dark matter but no stars.
Double-Star Discovery Suggests There’s a New Nearby Supernova Progenitor
Mark your calendars for a few tens of millions of years in the future: a core-collapse supernova at just 228 light-years away is sure to be spectacular.
Sun Glitter and Sunglint on Titan’s Hydrocarbon Seas
From its vantage point in orbit around Saturn, the Cassini spacecraft captured the brilliant gleam of sunlight reflecting off of Titan’s oily hydrocarbon seas. New research explores what sunglint can tell us about the interaction between Titan’s seas and atmosphere.
Monthly Roundup: A Cluster of Cosmic Spiders
Arachnophobes beware: today’s post concerns the behavior of the voracious stellar remnants called spider pulsars.
I’ve Got Some Oceanfront Property… Around a White Dwarf
Astrobites reports on whether planets around Sun-like stars destined to become white dwarfs are able to hold on to their oceans.